
The Xiaomi Smart Doorbell 4 is a cutting-edge video doorbell designed to provide superior security and convenience for your home. Featuring a unique HD Dual Camera system, Xiaomi Smart Doorbell 4 not only captures a broad horizontal view but also a specific downward-facing camera to monitor packages left on the ground, ensuring comprehensive coverage of your doorstep.
Powered by a high-capacity battery, this doorbell offers an exceptional battery life of up to 4-6 months, minimizing the need for frequent recharging. Xiaomi Smart Doorbell 4 integration into the Xiaomi Smart Home ecosystem via Wi-Fi 6 ensures fast, stable video transmission and seamless integration with the Mi Home/Xiaomi Home app. With advanced AI Humanoid Detection and Face Recognition (Internal Link to AI Security Category), the Doorbell 4 intelligently distinguishes between family members, visitors, and strangers, sending precise alerts directly to your smartphone.
Key Features
Product Specifications

FAQs (Product)
Q1: Is the Xiaomi Smart Doorbell 4 weatherproof for use outdoors? A1: While smart doorbells like the Xiaomi Doorbell 4 are designed for outdoor use and can handle typical weather, the exact IP rating (e.g., ) can vary by version. It is generally advised to install it in a sheltered location, such as under a porch or eave, to ensure long-term reliability against heavy rainfall.
Q2: How does the Dual Camera system benefit me? A2: The Dual Camera system typically includes a main camera for the visitor's face and a second camera pointed towards the ground. This ensures you can see people from head to toe and, crucially, monitor any packages or deliveries left directly below the doorbell that a single camera might miss.
Q3: Do I need to buy an indoor chime separately? A3: No, the Xiaomi Smart Doorbell 4 usually comes with a dedicated indoor chime/receiver module in the package, which is plugged into an electrical outlet inside your home.
Q4: Does this doorbell require a subscription for cloud storage? A4: The Xiaomi Smart Doorbell 4 typically offers a free tier of cloud storage, such as 3-day rolling cloud storage for event videos. If you require longer video history or advanced features like extended face recognition, a paid cloud subscription service would be necessary.
Q5: Can I hardwire the Xiaomi Smart Doorbell 4? A5: Some premium versions of the Xiaomi Smart Doorbell (like the Smart Doorbell 3S) support both battery and hardwired power supply (), but the standard Doorbell 4 is primarily a battery-powered device. Please check the specific packaging details for the exact model you purchase.
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